Corvis Corporation

DateInflation Amount Per Share*
7/28/2000**$33.9993***
7/31/2000$30.3543
8/1/2000$34.5857
8/2/2000$36.8075
8/3/2000$36.7436
8/4/2000$39.1992
8/7/2000$37.7575
8/8/2000$37.6507
8/9/2000$38.0308
8/10/2000$36.6239
8/11/2000$33.8486
8/14/2000$35.5231
8/15/2000$36.5019
8/16/2000$37.2934
8/17/2000$36.5525
8/18/2000$36.3763
8/21/2000$34.6959
8/22/2000$34.6999
8/23/2000$30.3263
8/24/2000$29.0929
8/25/2000$29.7947
8/28/2000$32.4131
8/29/2000$33.7101
8/30/2000$31.4061
8/31/2000$38.7137
9/1/2000$36.8248
9/5/2000$36.3333
9/6/2000$32.9977
9/7/2000$34.8359
9/8/2000$32.6788
9/11/2000$25.9987
9/12/2000$18.0317
9/13/2000$18.1995
9/14/2000$25.5891
9/15/2000$19.9747
9/18/2000$21.0433
9/19/2000$24.2835
9/20/2000$30.9114
9/21/2000$33.1691
9/22/2000$33.5184
9/25/2000$29.9382
9/26/2000$23.0157
9/27/2000$18.0921
9/28/2000$10.3403
9/29/2000$11.5477
10/2/2000$13.4045
10/3/2000$15.5086
10/4/2000$18.5669
10/5/2000$19.8277
10/6/2000$11.3485
10/9/2000$13.2054
10/10/2000$15.441
10/11/2000$20.2711
10/12/2000$17.3234
10/13/2000$12.762
10/16/2000$11.647
10/17/2000$7.4544
10/18/2000$2.302
10/19/2000$12.4285
10/20/2000$19.1891
10/23/2000$22.8202
10/24/2000$23.2335
10/25/2000$19.601
10/26/2000$15.2826
10/27/2000$19.1587
10/30/2000$15.2457
10/31/2000$18.5943
11/1/2000$12.9532
11/2/2000$10.9034
11/3/2000$8.4691
11/6/2000$8.2767
11/7/2000$6.2087
11/8/2000$0.3645
11/9/2000$0.4238
11/10/2000$2.9552
11/13/2000$6.1116
11/14/2000$6.0526
11/15/2000$2.6267
11/16/2000$0
11/17/2000$0
11/20/2000$0
11/21/2000$0
11/22/2000$0
11/24/2000$0
11/27/2000$0
11/28/2000$0
11/29/2000$0
11/30/2000$0
12/1/2000$0
12/4/2000$0
12/5/2000$0
12/6/2000$0

* Data shown are adjusted forward for all stock splits between the IPO and 12/6/00.

** Purchases on a date not listed in the chart above have no artificial inflation.

*** Purchases in the IPO itself at $36.00 per share have no artificial inflation.